Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. No key difference could be established from the available data. Check the full table for the details.

Selected-size geometry

Geometry overlay

Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

2019 Cannondale Scalpel-Si Carbon 2Size M (29“) · 34T · 10–50T · 12-speed
Lowest0.68:1Highest3.40:1Total range500%

Speed unavailable: wheel or tire size is missing or unclear.

2018 Cannondale Scalpel-Si Carbon 2Size M (29") · 34T · 10–50T · 12-speed
Lowest0.68:1Highest3.40:1Total range500%

Speed unavailable: wheel or tire size is missing or unclear.

How it works

Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.

Speeds are estimates from tire size and pedal cadence. Actual speeds vary.

Try other gearing

Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
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Specification
2019 Cannondale Scalpel-Si Carbon 2
2018 Cannondale Scalpel-Si Carbon 2
Overview
Model Year
2019
2018
Brand
Cannondale
Cannondale
Model
Scalpel-Si Carbon 2
Scalpel-Si Carbon 2
Bicycle Type
Mountain
Mountain
Colors
Midnight w/ Volt and Stealth Gray - Gloss (MDN)
Jet Black w/ Hazard Orange and Anthracite - Gloss (ORG)
Sizes
S, M, L, XL
S (27.5"), M (29"), L (29"), XL (29")
Weight
—
—
Frameset
Frame Construction
Scalpel-Si, 100mm, BallisTec Carbon, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Scalpel-Si, 100mm, BallisTec Carbon, Zero Pivot seatstay, Carbon Link, PF30, 1.5 Si head tube, Ai Offset
Frame Material
Carbon
Carbon
Fork
ALL-NEW Lefty Ocho, 27.5/29”, 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 50/55mm offset
RockShox SID World Cup XX, 100mm, Full Sprint, Carbon Tapered Steerer, 100x15 Maxle Ultimate, 51mm offset (29), 42mm offset (27.5)
Fork Material
—
Carbon
Rear Shock
Fox Float DPS Performance Elite EVOL, 100mm, remote-actuated
RockShox Monarch XX, 100mm, Full Sprint remote
Drivetrain
Shifters
SRAM X01 Eagle, 12-speed
SRAM X01 Eagle 12-speed
Rear Derailleur
SRAM X01 Eagle
SRAM X01 Eagle 12-speed
Crankset
Truvativ Stylo Carbon, 34T, Ai Custom
SRAM X1 Carbon Eagle, BB30 w/ custom Ai offset, 34t
Bottom Bracket
Cannondale Alloy PressFit30
Cannondale Alloy PressFit30
Rear Cogs
SRAM XG-1295, X01 Eagle, 10-50, 12-speed
SRAM XG1295 Eagle 10-50t, 12-speed
Chain
SRAM GX Eagle, 12-speed
SRAM X01 Eagle 12-speed w/ PowerLink
Pedals
Not Included
—
Brakes
Brakes
Shimano Deore XT hydro disc, 180/160mm XT rotors
Shimano XT hydro disc, 160/160mm
Cockpit & Contact Points
Headset
Cannondale HeadShok Si
Tange 1.5 for Tapered Steer tubes
Handlebar
Cannondale C1 Flat, Carbon, 8° sweep, 760mm
Cannondale C1 flat, Carbon, 760mm
Stem
Cannondale C1, 7075 Alloy, 1-1/8”, 31.8, 7°
Cannondale C1, 7075 Alloy, 31.8, -5°
Saddle
Fabric Scoop Flat Race, ti rails
Prologo Zero II STN
Seatpost
Cannondale C1 Full Carbon, 31.6 x 350/400mm
Cannondale C2 Carbon, Micro Adjust, 31.6x350mm (S,M) 400mm (L,X)
Wheels & Tires
Hubs
Lefty 60 front, HollowGram 12x142 rear w/ DT Swiss internals
C-Zero Straight Pull, 100x15 Maxle front, 39-point engagement rear, 142x12, 28h (Ai Offset dish - Rear)
Rims
HollowGram 23, Superlight Hi-Impact Carbon, tubeless ready, 28h, 23mm inner width
Cannondale C-Zero, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm inner
Spokes
HollowGram, double-butted straight pull (Ai Offset dish - rear)
Grand Forza Double Butted (Ai Offset dish - Rear)
Front Tire
Schwalbe Racing Ray 27.5/29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin, Addix Speedgrip compound, tubeless ready
Schwalbe Racing Ralph EVO Snakeskin, 29x2.2.5”, folding, Tubeless Ready
Rear Tire
Schwalbe Racing Ray 27.5/29 x 2.25” front, Racing Ralph 2.25” rear, Snake Skin, Addix Speedgrip compound, tubeless ready
Schwalbe Racing Ralph EVO Snakeskin, 29x2.2.5”, folding, Tubeless Ready
Wheel Size
29"
29"
Geometry · choose a size for each bicycle
Geometry size
Reach
424 mm
424 mm
Stack
592 mm
592 mm
Effective top tube
599 mm
599 mm
Head-tube angle
69.5°
69.5°
Seat-tube angle
73.5°
73.5°
Seat tube
440 mm
440 mm
Head tube
110 mm
110 mm
Chainstay / rear center
435 mm
435 mm
Wheelbase
1118 mm
1118 mm
Bottom-bracket drop
38 mm
38 mm
Bottom-bracket height
334 mm
334 mm
Standover height
754 mm
754 mm
Fork offset / rake
55 mm
55 mm
Front center
685 mm
685 mm
Trail
77 mm
77 mm

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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